Founder of a listed tool
Tomas Valenta
Co-founder and CTO, named behind the E2B listing on Anchor Terminal.
What Tomas builds
E2B B · Code execution sandboxes
Firecracker microVM sandboxes for agent code, driven from Python and JavaScript SDKs, a CLI or a REST API.
Co-founder and CTO, researched 27 October 2026 · the people behind it
Works with
- Vasek Mlejnsky Co-founder and CEO
Backed by
Kaya Decibel Insight Partners Sunflower Capital
Questions
Who is Tomas Valenta?
Tomas Valenta is co-founder and CTO of E2B, which runs cloud sandboxes where AI agents execute code. He and Vasek Mlejnsky previously built DevBook, an in-browser docs and playground tool whose sandbox technology became the basis of E2B in 2023. E2B raised a $21m Series A led by Insight Partners in July 2025.
What does E2B make?
Anchor Terminal lists E2B from E2B. Firecracker microVM sandboxes for agent code, driven from Python and JavaScript SDKs, a CLI or a REST API.
Who has invested in E2B?
The sources our research read name Kaya, Decibel, Insight Partners and Sunflower Capital.
How are Tomas's tools graded?
E2B is graded B, 68.5 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (6)
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